Galeopsomyia arenalicola Hansson, 2023

Hansson, Christer & Hanson, Paul E., 2023, HYMENOPTERA: CHALCIDOIDEA), 5 The genus Galeopsomyia Girault by Christer Hansson * & Paul E. Hanson **, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 235-236

Galeopsomyia arenalicola Hansson sp.nov.

( Figs 284, 285 , 1061)

Diagnosis (female). Antennal clava solid (Fig. 1061); genal carina present; mesoscutellum ( Fig. 284 ) 1.0× as long as wide with submedian grooves parallel, median part with strong reticulation with elongate meshes, with complete median groove; dorsellum without median carina; propodeum ( Fig. 284 ) with strong reticulation, callus with three setae; petiole transverse; gaster ( Fig. 284 ) 1.4× as long as wide, tergites with strong reticulation.

Female holotype: length of body 1.3mm (paratype 1.4mm).

Scape yellowish-brown, pedicel and flagellum pale brown. Head with frons golden-green, vertex black with metallic green and purple tinges. Mesoscutum with sidelobes black, midlobe with weak metallic green tinges; mesoscutellum and propodeum with weak metallic green tinges. Legs with fore and mid coxae dark brown, hind coxa black with metallic green tinges; fore and mid trochanters brown, hind trochanter yellowish-brown; femora dark brown; tibiae yellowish-white to yellowish-brown; T1–3 yellowish-white, T4 yellowish-brown. Petiole black. Gaster with Gt 1-6 black with metallic green tinges, Gt 7 black; gonoplac black.

Antenna with solid clava. Frons with strong reticulation, clypeal area smooth, antennal scrobes with weak reticulation; with scattered setae except scrobes that are bare; with genal carina. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle; with a carina between posterior ocelli in posterior part, with a strong sulcus from eye margin to posterior ocelli and continuing from there to median ocellus. Occipital margin with an edge behind ocellar triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe. Mesoscutellum with strong reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, straight and parallel, with a complete median groove; with five setae scattered over lateral parts. Dorsellum with weak sculpture, without median carina. Propodeum with narrow median carina; with strong reticulation; callus with three setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with two setae on dorsal surface of submarginal vein; speculum closed; costal setal row broken.

Petiole transverse. Gaster ovate; tergites with strong reticulation.

Relative measurements: head length, dorsal view 17; head length, frontal view 29; POL 8; OOL 5; lateral ocellus diameter 3; head width 39; mouth width 11; malar space 10; eye length 15.5; scape length 14; scape width 3; pedicel+flagellum length 38; pedicel length 5; pedicel width, dorsal view 3; F1 length 6; F1 width 3; F2 length 5.5; F2 width 3; F3 length 6; F3 width 3; clava length 15; clava width 3.5; C3 length 6; spicule length 2; mesosoma length 46; mesosoma width 35; midlobe of mesoscutum length 16; mesoscutellum length 17.5; mesoscutellum width 18.5; median part of mesoscutellum width (measured medially) 6.5; median part of mesoscutellum, width in anterior part 6; median part of mesoscutellum, width in posterior part 6; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 2; propodeum length 8; costal cell length 23; costal cell width (measured at widest part) 1.5; marginal vein length 23; stigmal vein length 6; gaster length 47; gaster width 34; Gt 2 length (measured medially) 7; Gt 4 length (measured medially) 10; Gt 7 length (measured medially) 4; Gt

7

width (measured at base) 8; longest cercal seta length 10; shortest cercal seta length 5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Alajuela, Parque Nacional Arenal , 10°28’N, 84°45’W, 617m, 21.ii- 28.ii.2005, C. Hansson ( MZLU) . Paratype; 1♀ COSTA RICA, Puntarenas, Reserva Privada Karen Mogensen , 9º52′N, 85º03′W, 305m, 14-15.ii.2005, J.S. Noyes ( NHMUK) .

Figures

Figs 284–287. Galeopsomyia arenalicola, holotype ♀ – (284) habitus dorsal view; (285) habitus lateral view. Galeopsomyia artis, holotype ♀ – (286) habitus dorsal view; (287) habitus lateral view.